3-(Aminomethyl)-6-fluoro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
6-(Chloromethyl)-3-cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine
2-(Chloromethyl)-5-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine
5-(Bromomethyl)-4-(difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine